Top Cyber Security Jobs in London

Leads AI and data security architecture across a global healthcare organization. Defines secure AI adoption patterns, governance frameworks, security controls, and standards; conducts threat modeling and architecture reviews; assesses cloud platforms, APIs, suppliers, and AI solutions; manages emerging AI risks; and advises senior stakeholders on security, privacy, and responsible innovation. Partners with technology, data, legal, clinical, and risk teams to protect sensitive personal and clinical data.

Leads application security strategy, tooling, automation, and secure-by-design practices across enterprise development environments. Integrates SCA, SAST, DAST, container security, code signing, and secret detection into CI/CD pipelines. Provides technical leadership, mentors application security engineers, supports platforms and incidents, develops metrics, and ensures alignment with ISO 27001, NIST, GDPR, and other regulatory requirements.

Build BLP’s core software across infrastructure, backend, machine learning, and product extension platforms. Responsibilities include operating secure and observable cloud infrastructure, developing performant distributed systems, applying AI to business problems, and enabling customer process automation. The role emphasizes formal reasoning, correctness by construction, maintainable systems, type systems, and functional programming. Work is available onsite in Zurich or remotely within Europe.

Provides professional security and customer service at a shopping centre. Responsibilities include patrolling the site, monitoring surveillance, managing incidents and emergencies, preventing unauthorized access, recording events, coordinating with the control room, supporting visitors and tenants, and maintaining a safe environment. The role requires SIA and CCTV licenses, first aid training, flexibility to work 48 hours weekly, and availability for occasional additional shifts.

Drives security solution sales through a portfolio of SMB Cloud Solution Provider partners. Owns pipeline, revenue forecasts, deal progression, partner sales plans, co-sell strategies, and commercial performance. Coaches partners on Microsoft solution plays, uses incentives to accelerate customer adoption and consumption, manages top deals, updates Microsoft Seller Experience records, and removes commercial blockers to achieve revenue targets.

Advise clients and project stakeholders on security requirements, controls, risk management, governance, assurance, supply chain security, and technical security for major capital programmes. Develop and review security frameworks and governance documents, interpret security schedules, and translate technical risks into actionable business guidance across sectors including life sciences, defence, datacentres, and critical national infrastructure.

As an Enterprise Architect, you will lead tech advisory growth, collaborate on solutions, manage client relationships, and mentor junior consultants within the organization, driving technology transformation for clients.

Provides on-site security at a gatehouse and industrial facility by controlling access, checking visitors and vehicles, conducting patrols, monitoring activity, responding to incidents, and maintaining accurate security records. The role requires professional customer service, strong communication, vigilance, and the ability to work independently on a rotating 4-on, 4-off shift pattern.

Own the strategy, roadmap, and lifecycle of Cloudflare’s enterprise Email Security platform. Lead threat detection investments, Zero Trust integration, customer discovery, competitive differentiation, and global launches. Partner with engineering, threat intelligence, sales, and design teams to address email threats such as business email compromise and phishing. Drive product growth, enterprise adoption, and technical platform evangelism while making data-informed investment decisions.

Conduct outbound cold calls and emails, identify prospect needs, qualify marketing leads, develop new business, and achieve sales targets. The representative will engage C-level stakeholders, communicate product value, collaborate across sales teams, and serve as a subject matter expert on Abnormal AI offerings. Fluency in Dutch, strong communication, organization, resilience, and experience with sales techniques are required.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

Build and operate security platform services for authentication, authorization, just-in-time access, and short-lived credentials. Develop policy-as-code, integrate identity and secrets-management systems, and support reliable Kubernetes-based production services. Create Python APIs for application and AI-agent teams, implement observability and alerting, contribute SIEM detection rules, and provide on-call support. The role also involves infrastructure-as-code, GitOps deployments, network security controls, and secure platform enablement.

Leads physical and electronic security design consulting engagements from risk assessment and strategy through detailed design, installation inspection, and project completion. Manages client relationships, business development, budgets, forecasts, resources, quality, deliverables, and team performance. Designs security systems across RIBA work stages and provides technical expertise, proposals, planning, and thought leadership.

Leads physical and electronic security design consulting engagements across the built environment in the UK and Europe. Responsibilities include security reviews, audits, design surveys, installation inspections, system design, technical reports, specifications, drawings, project and financial planning, client relationship management, business development, mentoring, and team leadership.

Own application security as Evervault’s first dedicated security engineer. Responsibilities include finding and fixing application and infrastructure vulnerabilities, building security tooling into software development, advising on secure product and system design, managing audits and compliance evidence, resolving findings, and handling customer security reviews. The role combines hands-on security engineering with security assurance work across a payment infrastructure platform.

Leads the strategic direction, growth, and delivery of an information security consultancy practice. Responsibilities include managing and mentoring teams, overseeing ISO 27001 and Cyber Essentials engagements, advising clients on governance, risk, compliance, AI security, and emerging technologies, developing methodologies, supporting proposals and business growth, and communicating risks to senior stakeholders.

Apply payment security expertise across UK interbank payment systems. Responsibilities include reviewing infrastructure and technology changes, assessing security architectures, defining security requirements, advising on cryptography, authentication, encryption, PKI and key management, evaluating supplier controls, supporting risk and assurance reviews, and monitoring emerging threats and regulatory developments.

The Core Technology Team builds software, infrastructure, evaluation systems, model-hosting platforms, secure access tools, and research applications supporting frontier AI security work. Responsibilities may include contributing to Inspect plugins, supporting open-weight models, scaling secure proxy infrastructure, designing custom research infrastructure, and ensuring robust monitoring and testing for frontier AI evaluations. The opportunity is open to software, research, and security engineers across seniority levels.

Coordinates security-system maintenance, repairs, upgrades, temporary security measures, contractor activities, quotations, purchase orders, budgets, KPI reporting, and client communications across renewable-energy sites. Maintains CMMS records, tracks compliance and invoices, supports field staff and site onboarding, and occasionally deputizes for the Security Manager. The role includes occasional UK site visits and occasional out-of-hours support.

Lead security, privacy, and IT strategy for a growing fintech: own application and cloud security, incident detection and response, DLP, GDPR compliance, identity and workplace IT, and govern safe AI adoption while building and advising cross-functional teams.

Provides corporate security and customer service across Kent sites. Duties include access control, ID checks, patrols, incident investigation, emergency response, visitor assistance, daily reporting, and surveillance monitoring. The role requires a valid Frontline SIA licence, UK manual driving licence, at least one year of corporate security experience, IT literacy, strong communication skills, professional presentation, problem-solving ability, and availability seven days per week.

Lead development of cloud-native Python applications for global commodities trading desks. Design, build, test, and operate resilient, secure production systems; drive automation and CI/CD; evaluate vendor solutions; and mentor engineering communities of practice.

Partner with Account Executives as the technical lead in pre-sales, delivering tailored demos, product walkthroughs, proofs of concept, and technical evaluations. Advise developers, security teams, and engineering leaders on integrating Aikido across code, cloud, and runtime environments. Troubleshoot technical issues, explain complex concepts clearly, and relay customer feedback to product and engineering teams.

Provides HSSE and physical security leadership across offshore wind development and operational activities. Responsibilities include risk assessments, incident investigations, audits, assurance, emergency preparedness, crisis management, business continuity, security-by-design, physical security controls, threat monitoring, and management of third-party security providers. The role advises stakeholders, improves HSSE systems, and supports resilient, secure operations across an international portfolio.

Manage and coach nine Mid-Market Account Executives across EMEA, driving pipeline generation, revenue growth, strategic deal support, sales process improvement, forecasting, and performance management. Build a high-accountability sales culture, hire and develop commercial talent, and collaborate with marketing, product, customer success, and leadership on go-to-market initiatives.